package com.itheima.mapper;

import com.itheima.pojo.User;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

@Mapper
public interface UserMapper {

    // 根据用户名查询用户
    @Select("select * from user where username=#{username}")
    public User findByUsername(String username); 


    // 注册用户
    @Insert("insert into user(username, password, create_time, update_time)" +
            "values(#{username}, #{password}, now(), now())")
    public void addUser(String username, String password);


    // 更新用户数据
    @Update("update user set nickname=#{nickname}, email=#{email}, update_time=#{updateTime} where id=#{id}")
    void update(User user);


    // 更新用户头像
    @Update("update user set user_pic=#{avatarUrl},update_time=now() where id=#{id}")
    void updateAvatar(String avatarUrl, Integer id);


    // 更新密码
    @Update("update user set password=#{md5String},update_time=now() where id=#{id}")
    void updatePwd(String md5String, Integer id);
}
